Color

#128587

#128587
hex#128587
rgbrgb(18, 133, 135)
hslhsl(181, 76%, 30%)
oklchoklch(0.561 0.092 196.8)
Closest name: darkcyan (#008b8b)Relative luminance 0.1865

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#871412

#12874e · #124b87

#871285 · #858712

Split-complementary

Open in tool →

#87124b · #874e12

#4e1287 · #871412 · #4b8712

Contrast

#128587 as textRatioAAAA largeAAAFix
Aaon white
4.44:1failpassfail
  • AA: use #128082 as the text (4.73:1)
  • AAA: use #0d6163 as the text (7.22:1)
  • AA: or shift the background to #080808 (4.51:1)
Aaon black
4.73:1passpassfail
  • AAA: use #17a8ab as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128587 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#128587 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #128587
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #128587 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128587-a2babe-d45992-1f272d-e9f1ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md